spill the inputs of CreateCl onto the stack

I did this for the IR but didn't do it for the JIT :(

hphp/runtime/vm/translator/translator-x64.cpp

@@ -9249,6 +9249,10 @@ TranslatorX64::translateCreateCl(const Tracelet& t,
              R(clsCache),
              IMM(uintptr_t(clsName)));
 
+  for (auto& input : i.inputs) {
+    m_regMap.cleanLoc(input->location);
+  }
+
   EMIT_RCALL(a, i,
              getMethodPtr(&c_Closure::init),
              R(rax),

hphp/test/quick/closure_use_immediately.php

@@ -0,0 +1,13 @@
+<?php
+
+class A {}
+
+function a() {
+  $b = new A;
+  $c = function() use ($b) {
+    return $b;
+  };
+  return $c();
+}
+
+var_dump(a());

hphp/test/quick/closure_use_immediately.php.expect

@@ -0,0 +1,2 @@
+object(A)#1 (0) {
+}